private TemplateNode parseExpressionLanguageDirective(ParserDirectiveToken tok) { String args = tok.getArgs(); if (args == null || args.trim().equals("")) { throw new TemplateParsingException("Invalid expression language directive", currentToken.getLineNo(), currentToken.getColumn()); } expressionLanguage = Expressions.getExpressionLanguageByName(args.trim()); return new ExpressionLanguageDirective(args.trim()); }